- Companies
- Civil engineering
- Plymouth
- Voltworks Limited
Voltworks Limited
- Company number
- 16350632
- Incorporated
- 28 Mar 20251 year trading
- Registered office
- 84 Pegasus Place, Sherford, Plymouth, PL9 8FB
- Nature of business
- Construction of utility projects for electricity and telecommunications
Voltworks Limited is a 1-year-old private limited company registered in Plymouth, company number 16350632, one of 41 civil engineering contractors in Plymouth. Its next accounts are due at Companies House on 28 December 2026, and its first CT600 is due at HMRC on 27 March 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Voltworks Limited is registered
The registered office is in Plymouth (PL9), in the Plymouth local authority area, South West. Show PL9 8FB on a map.
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What happens if Voltworks Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 28 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 Dec 2026 to 28 Jan 2027 | £150 |
| 1 to 3 months late | 29 Jan 2027 to 28 Mar 2027 | £375 |
| 3 to 6 months late | 29 Mar 2027 to 28 Jun 2027 | £750 |
| More than 6 months late | From 29 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 16350632
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 March 2025 (1 year ago)
- Registered office
- 84 Pegasus Place, Sherford, Plymouth, PL9 8FB
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 27 March 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Plymouth
Other active civil engineering contractors registered in Plymouth.
- Waterworxz Ltd2022
- Armada Civil Engineering (SW) Limited2015
- Beaverford Limited1985
- BP Engineering Services Limited2026
- C D C Groundworks Ltd2008
- Claremont Marine Services Limited2023
- Coles Utilities and Construction Limited2021
- Collard Construction Limited1994
All civil engineering contractors in Plymouth · All trades in Plymouth · Civil engineering across the UK
Frequently asked questions
When are Voltworks Limited's accounts due?
Voltworks Limited's next accounts are due at Companies House by 28 December 2026 (in 77 days), covering the period to 31 March 2026.
When is Voltworks Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 March 2026, due by 27 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Voltworks Limited still trading?
Voltworks Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Voltworks Limited do?
Voltworks Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Voltworks Limited?
Voltworks Limited was incorporated on 28 March 2025, 1 year ago.
What is the penalty if Voltworks Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Voltworks Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.